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Can you summarize the given description/paragraph?

Now complete the following instance -
Input: Rockets are spacecrafts that are propelled by rocket engines and are used to go to outer space. There are many types of rockets, such as orbital launch vehicles and upper-stage boosters, that are used by governments and private organizations to send satellites and other payloads into space.
Output:
assistant
Rockets are spacecrafts that use rocket motors to propel themselves into space in order to send satellites and cargo. Different types of rockets, like orbital launch vehicles and upper-state boosters, are used by governments and private organizations.